Communication method, apparatus, and system

Abstract

This application relates to the field of communication technologies, and specifically, discloses a communication method, apparatus and system. The method includes: A first terminal device obtains first feature distribution information from a network device, and sends the first feature distribution information to a first server associated with the first terminal device. The first feature distribution information indicates feature distribution of data that is collected in a first time period by a terminal device located in a first region. In this way, after receiving the first feature distribution information, the first server can use the first feature distribution information as auxiliary information for generating an AI model, so that an AI model generated by the first server based on training data is close to an AI model generated based on total training data in the first region.

What is claimed is: 
     
         1 . A communication method, wherein the method is applied to a terminal device, and the method comprises:
 receiving first feature distribution information from a network device, wherein the first feature distribution information indicates feature distribution of data that is collected in a first time period by a device located in a first region; and   sending the first feature distribution information to a first server, wherein the first server is associated with the terminal device.   
     
     
         2 . The method according to  claim 1 , wherein the method further comprises:
 sending first information to the network device, wherein the first information comprises at least one of the following: feature information of P1 groups of data and feature distribution information of the P1 groups of data, wherein the P1 groups of data are data that is collected in the first time period by the terminal device located in the first region, and P1 is a positive integer; and   the device comprises the terminal device, and the first feature distribution information is determined based on the first information.   
     
     
         3 . The method according to  claim 2 , wherein before the sending first information to the network device, the method further comprises:
 receiving first request information from the network device, wherein the first request information is used to request the device to collect data in the first time period and report feature information and/or feature distribution information of the collected data.   
     
     
         4 . The method according to  claim 3 , wherein the first request information comprises at least one of the following:
 first indication information, wherein the first indication information indicates that information the device is requested to report is the feature information and/or the feature distribution information of the data collected by the device;   second indication information, wherein the second indication information indicates a first manner and/or a second manner, the first manner is used to determine the feature information of the data collected by the device, and the second manner is used to determine the feature distribution information of the data collected by the device;   terminal configuration information, wherein the terminal configuration information indicates a configuration condition that should be met when the terminal device collects the P1 groups of data;   trigger information, wherein the trigger information comprises a trigger manner and/or a trigger configuration, the trigger manner comprises at least one of the following: event triggering and periodic triggering, and the trigger configuration comprises at least one of the following: a trigger event and a trigger periodicity;   quantity information, wherein the quantity information indicates a value of P1;   region information, wherein the region information indicates the first region; and   time period information, wherein the time period information indicates the first time period.   
     
     
         5 . The method according to  claim 4 , wherein before the receiving first feature distribution information from a network device, the method further comprises:
 sending second request information to the network device, wherein the second request information is used to request to send the first feature distribution information to the terminal device.   
     
     
         6 . The method according to  claim 5 , wherein before the sending second request information to the network device, the method further comprises:
 receiving third request information from the first server, wherein the third request information is used to request to send the first feature distribution information to the first server.   
     
     
         7 . A communication method, wherein the method is applied to a network device, and the method comprises:
 determining first feature distribution information; and   sending the first feature distribution information to a terminal device, wherein the first feature distribution information indicates feature distribution of data that is collected in a first time period by a device located in a first region.   
     
     
         8 . The method according to  claim 7 , wherein
 the method further comprises: receiving first information from the terminal device, wherein the first information comprises at least one of the following: feature information of P1 groups of data and feature distribution information of the P1 groups of data, wherein the P1 groups of data are data that is collected in the first time period by the terminal device located in the first region, and P1 is a positive integer; and the device comprises the terminal device; and   the determining first feature distribution information comprises: determining the first feature distribution information based on the first information.   
     
     
         9 . The method according to  claim 8 , wherein before the receiving first information from the terminal device, the method further comprises:
 sending first request information to the device, wherein the first request information is used to request the device to collect data in the first time period and report feature information and/or feature distribution information of the collected data.   
     
     
         10 . The method according to  claim 9 , wherein the first request information comprises at least one of the following:
 first indication information, wherein the first indication information indicates that information the device is requested to report is the feature information and/or the feature distribution information of the data collected by the device;   second indication information, wherein the second indication information indicates a first manner and/or a second manner, the first manner is used to determine the feature information of the data collected by the device, and the second manner is used to determine the feature distribution information of the data collected by the device;   terminal configuration information, wherein the terminal configuration information indicates a configuration condition that should be met when the terminal device collects the P1 groups of data;   trigger information, wherein the trigger information comprises a trigger manner and/or a trigger configuration, the trigger manner comprises at least one of the following: event triggering and periodic triggering, and the trigger configuration comprises at least one of the following: a trigger event and a trigger periodicity;   quantity information, wherein the quantity information indicates a value of P1;   region information, wherein the region information indicates the first region; and   time period information, wherein the time period information indicates the first time period.   
     
     
         11 . The method according to  claim 10 , wherein before the sending the first feature distribution information to a terminal device, the method further comprises:
 receiving second request information from the terminal device, wherein the second request information is used to request to send the first feature distribution information to the terminal device.   
     
     
         12 . A terminal device, wherein the terminal device comprises a processor, and the processor is configured to perform the following steps:
 receiving first feature distribution information from a network device, wherein the first feature distribution information indicates feature distribution of data that is collected in a first time period by a device located in a first region; and   sending the first feature distribution information to a first server, wherein the first server is associated with the terminal device.   
     
     
         13 . The terminal device of  claim 12 , wherein the processor is configured to perform the following steps:
 sending first information to the network device, wherein the first information comprises at least one of the following: feature information of P1 groups of data and feature distribution information of the P1 groups of data, wherein the P1 groups of data are data that is collected in the first time period by the terminal device located in the first region, and P1 is a positive integer; and   the device comprises the terminal device, and the first feature distribution information is determined based on the first information.   
     
     
         14 . The terminal device of  claim 12 , wherein before the sending first information to the network device, the processor is configured to perform the following steps:
 receiving first request information from the network device, wherein the first request information is used to request the device to collect data in the first time period and report feature information and/or feature distribution information of the collected data.   
     
     
         15 . The terminal device of  claim 14 , wherein the first request information comprises at least one of the following:
 first indication information, wherein the first indication information indicates that information the device is requested to report is the feature information and/or the feature distribution information of the data collected by the device;   second indication information, wherein the second indication information indicates a first manner and/or a second manner, the first manner is used to determine the feature information of the data collected by the device, and the second manner is used to determine the feature distribution information of the data collected by the device;   terminal configuration information, wherein the terminal configuration information indicates a configuration condition that should be met when the terminal device collects the P1 groups of data;   trigger information, wherein the trigger information comprises a trigger manner and/or a trigger configuration, the trigger manner comprises at least one of the following: event triggering and periodic triggering, and the trigger configuration comprises at least one of the following: a trigger event and a trigger periodicity;   quantity information, wherein the quantity information indicates a value of P1;   region information, wherein the region information indicates the first region; and   time period information, wherein the time period information indicates the first time period.   
     
     
         16 . The terminal device of  claim 15 , wherein before the receiving first feature distribution information from a network device, the processor is configured to perform the following steps:
 sending second request information to the network device, wherein the second request information is used to request to send the first feature distribution information to the terminal device.   
     
     
         17 . The terminal device of  claim 16 , wherein before the sending second request information to the network device, the processor is configured to perform the following steps:
 receiving third request information from the first server, wherein the third request information is used to request to send the first feature distribution information to the first server.